808-997
Rev. 03/03Page 2 of 6
6400 and 6400-I/O Power Connector Location
Warning: If using a 24 Vac power supply to power the Comfort Controller, do not use it to also
power other non-Comfort Controller modules or field devices (for example, actuators).
POWER
CONNECTOR
(PLUG-IN TYPE
ON 6400
MODULE)
1
2
3
(+)
CHASSI
GND
(–)
24
VAC
OR
33VDC
CAUTION: Connect Pin 1
on each Comfort
Controller module's
power connector to
chassis (earth) ground.
WARNING: Failure to correctly wire power
connector can permanently
damage 6400 module.
Pin Power
Number Connector
3 24 Vac or 33 Vdc (+)
2 24 Vac or 33 Vdc (-)
1 Chassis ground
Comments to this Manuals